In
response
to
the
global
challenge
of
escalating
industrialisation
and
waste,
this
project
explores
thermochemical
solutions
for
sustainable
management
abundant
waste
sources,
such
as
scrap
tyres
agricultural
residues.
Key
findings
include
efficient
demineralisation
strategies
tyre
derived
char,
production
high-value
carbon
composites,
optimisation
solvent
systems
processing,
The
study
underscores
critical
influence
feedstock
selection
processing
methods
on
properties
resulting
materials,
exploring
their
distinct
catalytic
applications
environmental
implications.
contributes
advancing
practices,
emphasizing
material
recovery
impact
reduction.
Journal of Analytical and Applied Pyrolysis,
Journal Year:
2024,
Volume and Issue:
179, P. 106463 - 106463
Published: March 16, 2024
The
development
and
utilization
of
biomass
play
a
vital
role
in
reducing
fossil
fuel
dependency
mitigating
greenhouse
gas
emissions.
High-temperature
pyrolysis
provides
promising
route
for
converting
into
valuable
products
without
tar
formation.
Kinetic
models
are
essential
understanding
processes,
aiding
reactor
design
optimization.
In
this
study,
rice
husk
(RH)
corn
straw
(CS)
selected,
which
exhibit
significant
differences
ash
content
but
widely
present.
Pyrolysis
is
performed
using
thermogravimetric
analyzer
coupled
with
mass
spectrometer
(TGA-MS).
results
show
rapid
decrease
solid
residue
oxygen
at
elevated
temperatures,
stabilized
after
reaching
900°C,
accounting
about
8–10%.
MS
quantification
indicates
increased
release
H2O
CO
during
stage.
Fourier
transform
infrared
spectroscopy
(FTIR)
analysis
on
the
biochar
unveils
that
phenomenon
attributed
to
stretching
vibration
C-O
bonds
conversion
-OH
groups.
remaining
primarily
exists
as
carbonyl
carboxyl
Subsequently,
CRECK-S-B
kinetic
model
updated,
specifically
targeting
transformation
mechanism
oxygen-containing
solids
high
temperatures
improve
prediction
yield
elemental
composition.
relative
error
less
than
10%.
accuracy
validated
through
experimental
data
an
extensive
literature
database,
leading
establishment
comprehensive
database.
updated
demonstrates
significantly
enhanced
above
800°C,
expanding
its
applicability
range.
Moreover,
it
achieves
rate
exceeding
80%
char
temperature
range
200–1000°C,
including
torrefaction
conditions.
It
theoretical
foundation
effective
high-temperature
biochar,
offers
novel
insight
thermochemical
conversion,
contributes
sustainable
energy.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
484, P. 149778 - 149778
Published: Feb. 17, 2024
Addressing
the
high
CO
2
emissions
from
biomass
gasification
is
crucial
for
enhancing
sustainability
and
environmental
profile
of
this
technology.This
work
proposes
a
novel
approach
by
integrating
process
with
carbon
capture
utilisation
(IGCCU),
to
tackle
substantial
challenge
traditional
gasification,
which
leads
emissions.Specifically,
during
stage,
successfully
captured
14.39
mmol
g
-1
lignin
,
based
on
benchmark
conditions.The
subsequently
converted
into
hydrogenation
achieving
peak
concentration
1.58
%.The
results
reveal
that
maintaining
marble
feeding
mass
6
setting
reaction
temperatures
capture,
at
500
•
C,
400
550
respectively,
consistently
ensures
ultra-low
throughout
entire
process."Ultra-low
emissions"
specifically
refers
absence
signals
entirety
IGCCU
process,
encompassing
stages
such
as
conversion.Notably,
conversion
selectivity
remain
stable
100
%
level
over
8
cycles
only
was
generated
underscoring
excellent
stability
technology.Furthermore,
low-cost
sorbent
material
(waste
powder)
readily
available
agent
(air)
enhance
economic
feasibility
new
technology
while
demonstrating
robust
resistance
deposition.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(32), P. 15009 - 15032
Published: Jan. 1, 2024
Nano-biochar,
characterized
by
its
environmentally
friendly
nature
and
unique
nanostructure,
offers
a
promising
avenue
for
sustainable
carbon
materials.
